.wrap{
    >div{
        border:1px solid #ccc;
        height:2rem;
        line-height: 2rem;
        text-align: center;
        margin:0.3rem;
        cursor: pointer;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .active{
        background-color: lightsteelblue;
    }
}